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Elixir Remote Debugging
Learn how to connect to a production Elixir node from the local shell and use the debugger GUI to set breakpoints and debug.
elixir  remote  debug 
february 2019 by ianweatherhogg
Debugging & Tracing Elixir Applications · Dimitris Zorbas
Blog about programming of Dimitris Zorbas. Topics: Ruby, Elixir, Erlang, JavaScript, Linux
elixir  erlang  debug  5* 
february 2019 by ianweatherhogg
Debugging DNS - DNSimple Blog
In this post we share some tips and tools you can use to troubleshoot DNS issues on your own like a pro.
dns  debug 
february 2019 by ianweatherhogg
Allow mail from servers without matching reverse PTR by griff · Pull Request #25 · nixcloud/nixcloud-webservices
Some mail servers (like mine) don't have a reverse PTR matching the hostname of the mail server (in my case because it is really expensive). And while most mailservers accept mails from servers like mine (I have never had problems with it until I tried mailing @qknight two weeks ago) NixCloud will reject my mails.
I have replaced the reject_unknown_client_hostname restriction with the less restrictive reject_unknown_reverse_client_hostname which only rejects mail servers that have n...
nix  debug  reverse  dns  email 
november 2018 by ianweatherhogg
Virtualbox deploy failed because of VirtualBox Guest Services failure · Issue #908 · NixOS/nixops
Hi, I'm trying the NixOps tutorial and I'm stuck with this error: Exception: unable to activate new configuration It seems to be a problem with the Guest Service of virtualbox that fails to connect to some property server. Here is the lo...
nix  virtual  box  debug 
november 2018 by ianweatherhogg
Domain name resolve problem - Learn - Nix community
I have some problem with DNS name resolving.
In a terminal, I can use nslookup to resolve some certain domain, but when I try to ping it, it complains that Name or service not known.
e.g.,
$> nslookup www.github.com
S…
nix  wiki  dns  debug 
october 2018 by ianweatherhogg
Configuring HAProxy with HTTP2 support | OpsTips
HTTP2 support recently landed in HAProxy 1.8. Check out how to configure HTTP/2 support for HAProxy.
haproxy  http  two  ssl  certificate  generator  dns  host  wire  shark  tcp  dump  debug 
september 2018 by ianweatherhogg
Nginx HTTP2 Server Push | OpsTips
NGINX just added server push to mainline. Checkout a NGINX HTTP2 server push example using the latest code from source integrating with an HTTP1 Golang web server.
nginx  http  two  chrome  ssl  debug  wire  shark  pcap  5*  tcp  dump 
september 2018 by ianweatherhogg
binutils and gcc manpages hidden by wrappers · Issue #43547 · NixOS/nixpkgs
Issue description A regular painpoint with nixos is the absence of manpages. I've enabled most options but there are still cases where we miss important manpages (gcc/clang/cmake). Steps to reproduce $ nix-shell -p gcc [nix-shell:~]$ LAN...
nix  man  page  debug 
august 2018 by ianweatherhogg
Working with btrfs
CoreOS provides Container Linux, Tectonic for Kubernetes and the Quay image registry; key components to secure, simplify and automatically update your container infrastructure.
btrfs  debug 
july 2018 by ianweatherhogg
Starting Kubernetes on an Arch Linux VM using Kubeadm · Issue #465 · kubernetes/kubeadm
GitHub is where people build software. More than 28 million people use GitHub to discover, fork, and contribute to over 85 million projects.
kubernetes  archlinux  debug 
june 2018 by ianweatherhogg
hydra service fails to start on nixos-18.03 · Issue #37848 · NixOS/nixpkgs
GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.
hydra  nix  debug 
march 2018 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  read  elf  debug  c  assembly  language  4* 
august 2017 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  c  assembly  language  debug  4* 
august 2017 by ianweatherhogg
NIXAID.COM
Tech blog for system engineers, enthusiasts and hackers
gdb  strace  c  elf  assembly  language  debug  4* 
august 2017 by ianweatherhogg
How My Printer Caused Excessive Syscalls & UDP Traffic
How my printer caused excessive syscall rates and UDP traffic, and how I used DTrace to root cause it.
dtrace  debug  4* 
august 2017 by ianweatherhogg
Scala API · Issue #10089 · tensorflow/tensorflow
tensorflow - Computation using data flow graphs for scalable machine learning
debug  tensor  flow  scala 
july 2017 by ianweatherhogg
Debugging PXE boot with QEMU
You might run into configuration problems and booting an actual machine is time-consuming for testing. My situation, for example, was that I could not get th...
qemu  test  debug  linux  pxe  boot  4*  archlinux  ip  table 
july 2017 by ianweatherhogg
Spotify's Love/Hate Relationship with DNS – roguelynn
Homepage and blog of Lynn Root. Python Engineer, PyLadiesSF Founder, Socializer in San Francisco.
dns  debug 
june 2017 by ianweatherhogg
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